ICE DIAMOND FLEXITOG® Lace-up Thermal Boot with removable liner. 3 Layer construction for better thermal insulation. Leather ipper. Felt insole increasing comfort and heat. Specially formulated polyurethane flexible sole, doesn't freeze up in cold conditions, anti-static and anti-slip. Velcro strap to increase the fit of the boot. Easy on boots thanks to quick release loops. Suitable for use in freezers. EN86/686/EEC.